| Lat / long: | 37.59974, -105.29668 |
| Primary: | Copper |
| Secondary: | Silver |
| Ore: | Chalcocite, Chalcopyrite |
| Operation type: | Underground |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Minturn Formation;Gneiss And Mica Schist |
| Host type: | Sandstone,Limestone,Granite |
| Structure: | Sierra Blanca Massif, Ft. Garland Embayment, Vega Cr. Anticline, Wagon Mesa Fault |
| Tectonic: | Central Cordillera (Southern Rocky Mtns.) |
| Alteration processes: | Malachite, Iron Oxides |
| MRDS | D006734 |
| DEP | 10087418 |
| Reference | PATTON, H.B., AND OTHERS, 1910, GEOLOGY OF THE GRAYBACK MINING DISTRICT, COSTILLA COUNTY, COLOADO: CGS BULL. 2 |
| Reporter | Schwochow, Stephen D. |